Four forces are being applied to move an object to the left. force 1 is pushing to the right at 200n. force 2 is pushing to the left at 500n. force 3 is pushing to the right at 100n. force 4 is pushing to the left at 50n. what's the net force acting on this object?
a.0n
b.650n
c.850n
d.250n

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead, sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities